MathieuGroupM22[] represents the sporadic simple Mathieu group M_22.
MathieuGroupM23[] represents the sporadic simple Mathieu group M_23.
NumberMultiplier is an option for NumberForm and related functions which gives the string to use as a multiplication sign in scientific notation.
NumberString represents the characters of a number in StringExpression.
PreferencesPath is a global option that specifies which directories are searched for user-specific settings when Mathematica is started.
ReturnExpressionPacket[expr] is a MathLink packet that contains the expression expr, the result of an EnterExpressionPacket evaluation.
RowAlignments is an option for the low-level function GridBox that specifies how entries in each row should be aligned.
ScreenStyleEnvironment is an option for notebooks that specifies the style environment to be used in displaying a notebook on the screen.
ScriptBaselineShifts is an option for Style that specifies the minimum distance in x-heights to shift subscripts and superscripts.
SingleLetterItalics is an option for Cell that specifies whether single-letter names should be displayed in italics.